Troubleshooting

Fault messages displayed can, in some cases, be investigated for a solution. Listed below in Table 17 are troubleshooting steps for the Fault messages that can occur.

Table 17 Troubleshooting

Fault Label

Troubleshooting Action

GROUND FAULT

Contact Service provider. Schedule service.

 

 

HW BUS OV

Check DC bus voltage at UPS and adjust as necessary to within threshold.

 

 

X PHASE OC

Check IGBT, resistor diodes.

 

 

IGBT OVRTEMP

Check cooling pump, test pump and fans.

 

 

VACUUM FAULT

Check in History, Vitals, collect data, contact Certified Service Provider.

 

 

RUNOUT FAULT

Check in History, Vitals, collect data, contact Certified Service Provider.

 

 

MISER FAULT

Check calibration in Tools.

 

 

BEARING

Contact Service provider. Schedule service.

 

 

AUX POWER LOW

Check and test Auxiliary Power module.

 

 

INTER PRCR COMM

Contact Service provider. Schedule service.

 

 

PWR SPLY VOLT

Check data in Menu>View>Electrical.

 

 

UNDEF PDP INT

Contact Service provider. Schedule service.

 

 

CURRENT OFFSET

Contact Service provider. Schedule service.

 

 

SW OV

Contact Service provider. Schedule service.

 

 

CHECKSUM

Contact Service provider. Schedule service.

 

 

CONTACTOR TIME OUT

Check DC bus voltage at UPS and adjust as necessary to within threshold.

 

 

CONTACTOR CLOSE FAIL

Check DC bus voltage at UPS and adjust as necessary to within threshold.

 

 

FAN OPEN

Check fan connections.

 

 

FAN SHORT

Check fan.

 

 

PUMP OPEN

Check pump connections.

 

 

PUMP SHORT

Check pump.

 

 

HW OVERSPEED

Contact Service provider. Schedule service.

 

 

PRECHARGE PROTECTION

Contact Service provider. Schedule service.

 

 

BUS CURRENT OFFSET

Check bus voltages, contact service provider to calibrate settings.

 

 

Refer to the general drawings in Appendix D.0 - Installation Drawings for the location of system components.

If a Fault condition persists contact your Liebert technician. You may also visit the Liebert Web site at www.liebert.com for information.

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Emerson Series 600, SERIES 600T user manual Troubleshooting Fault Label Troubleshooting Action

Series 600, SERIES 600T specifications

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